Explore details about location Farm-to-Market Road 666. Farm-to-Market Road 666 is a location situated within the Nueces County alongside other areas such as County Road 28, County Road 52B, Farm-to-Market Road 665. Additionally, some smaller parts of Farm-to-Market Road 666 include specific areas like Dick Smithwick Road, Perez Street, South 2nd Street adding to the diversity of its landscape.